Sequence Series 1000 Pump - Model 5100SEQ21

A powerful and efficient external pond pump from Sequence’s popular 1000 series. It delivers higher flow with strong head pressure, making it an excellent option for larger ponds and more demanding water features. With a maximum flow of 5,100 GPH, this pump is ideal for ponds in the 5,000–8,000 gallon range (or systems requiring robust circulation and turnover). It performs particularly well in setups with filters, UV sterilizers, and moderate elevation changes. Key Specifications: Max Flow Rate: 5,100 GPH Max Head Pressure: 22 feet Power: 115V, ~293 Watts, 1/4 HP TEFC motor for quiet, reliable operation Inlet/Outlet: 1.5" FPT suction and discharge Cord: 8-foot power cord with molded 115V plug Approximate Flow Rates at Different Heads: 0' head: 5,100 GPH 4' head: ~4,740 GPH 8' head: ~4,260 GPH 12' head: ~3,780 GPH Strong performance continuing up to 22' max head Recommended Applications Great for medium-to-large ponds, koi systems, waterfalls, and comprehensive filtration setups. The 1000 series is known for its versatility, providing ample flow without excessive power consumption. Built to Sequence’s high standards in the USA, the totally enclosed fan-cooled motor ensures durability and quiet running in outdoor environments. Features & Benefits: High flow with solid head pressure for larger or more complex systems Energy efficient with low operating costs Quiet, durable TEFC motor with stainless steel hardware Straightforward plumbing and low maintenance This model offers a step up in capacity from the 4500SEQ21, giving you more options when scaling up pond circulation needs. It works perfectly when paired with our Aqua Ultraviolet sterilizers and other filtration equipment.